CN221047749U - Frock is dismantled to connecting rod big end - Google Patents
Frock is dismantled to connecting rod big end Download PDFInfo
- Publication number
- CN221047749U CN221047749U CN202322855218.2U CN202322855218U CN221047749U CN 221047749 U CN221047749 U CN 221047749U CN 202322855218 U CN202322855218 U CN 202322855218U CN 221047749 U CN221047749 U CN 221047749U
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- connecting rod
- screw thread
- piston
- large end
- ring
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- 238000007789 sealing Methods 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a connecting rod large end disassembly tool, and relates to the field of marine equipment. The tool comprises a diesel engine main body and a tool main body, wherein the tool main body comprises a hoisting ring, a connecting rod is arranged at the bottom of the hoisting ring, a first thread is arranged below the outer surface of the connecting rod, a thread collar is connected to the outer side of the first thread, a support rod is arranged at the bottom of the thread collar, and a second thread is arranged below the outer surface of the support rod.
Description
Technical Field
The utility model relates to the field of marine equipment, in particular to a connecting rod large end dismounting tool.
Background
The large end of the connecting rod is an important part connected with the crankshaft to drive the piston to move, and when abnormal abrasion occurs, a new bearing bush needs to be overhauled or replaced, the crankshaft is repaired, and serious quality accidents can occur.
When the diesel engine needs to be overhauled, the connecting rod and the piston can be lifted out only after the cylinder cover assembly and other accessories of the cylinder are completely removed in the prior art, and then the large end of the connecting rod is detached, so that the process is extremely complex and tedious.
Disclosure of utility model
Based on the above, the utility model aims to provide a connecting rod large end dismounting tool, so as to solve the technical problems that in the prior art, when the connecting rod large end is dismounted, a piston is required to be dismounted and lifted out, and the dismounting process is extremely complex and tedious.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a frock is dismantled to connecting rod large end, includes diesel engine main part and frock main part, the frock main part includes the hoist and mount ring, the bottom of hoist and mount ring is provided with the connecting rod, the surface below of connecting rod is provided with first screw thread, the outside threaded connection of first screw thread has the screw thread lantern ring, the bottom of screw thread lantern ring is provided with the bracing piece, the surface below of bracing piece is provided with the second screw thread, the cylinder has been seted up to diesel engine main part's inside, the inside of cylinder is provided with the piston, the screw thread groove has been seted up to the upper surface of piston, the bottom rotation of piston is connected with the connecting rod, the bottom of connecting rod is connected with the bent axle through the rotation of connecting rod large end.
Through adopting above-mentioned technical scheme, only need demolish the sprayer assembly when needs split connecting rod big end, use this frock to pass through the thread groove at sprayer mounting hole can the lug connection piston top, hang the piston, accomplish connecting rod big end split work.
Further, the inner bottom of the thread groove is provided with a lug, and the top surface of the lug is in a circular arc structure.
Through adopting above-mentioned technical scheme, utilize the setting of lug, at the in-process that the piston is working, be favorable to improving the pressure bearing limit of screw thread groove to between piston and the cylinder to promote the safety protection nature to the screw thread groove.
Furthermore, the bottom surface of bracing piece has seted up the empty slot, empty slot and lug looks adaptation, second screw thread and thread groove threaded connection.
Through adopting above-mentioned technical scheme, utilize the setting of empty slot, when second screw thread and thread groove carry out threaded connection, be favorable to making empty slot and lug carry out the adaptation to improve the connection compactness of second screw thread and lug.
Further, the cross section outside of screw thread lantern ring is hexagon structure setting, screw thread lantern ring and bracing piece welded fastening, hoist and mount ring and connecting rod welded fastening.
Through adopting above-mentioned technical scheme, rotate the bracing piece through rotatory screw thread lantern ring, accomplish the connection of bracing piece and piston, be favorable to avoiding frock main part top hoist and mount ring to rotate, simultaneously, can avoid the longer inconvenient condition of operation of frock main part size.
Further, the lifting ring, the connecting rod and the supporting rod are all made of stainless steel.
Through adopting above-mentioned technical scheme, be favorable to promoting the material wearability of frock main part to promote the life of frock main part, prevent to produce the sediment that rust, fall into the condition of debris to the cylinder inside.
Further, the large end of the connecting rod comprises an upper tile shaft and a lower tile shaft, and the upper tile shaft and the lower tile shaft are fixedly connected through bolts.
Through adopting above-mentioned technical scheme, through lifting fluctuation of lifting device, impel the piston to drive connecting rod and connecting rod big end and carry out the position movement, can place the connecting rod big end in required position to carry out the bolt split to upper tile axle and lower tile axle, be favorable to promoting the dismantlement convenience of frock main part to the connecting rod big end.
Further, the seal groove is formed in the outer surface of the piston, a seal ring is arranged in the seal groove in a clamping mode, and the seal ring abuts against the inner wall of the cylinder.
Through adopting above-mentioned technical scheme, when dismantling the connecting rod big end, be favorable to avoiding dismantling the sealing ring, need not to change the sealing ring completely to improve the maintenance efficiency to diesel engine main part.
In summary, the utility model has the following advantages:
1. According to the utility model, through the lifting ring, the supporting rod, the second threads and the thread grooves, firstly, the oil sprayer assembly is positioned at the center of the cylinder and aligned with the lifting thread grooves at the top of the piston below, when the large end of the connecting rod needs to be detached, the oil sprayer assembly is only required to be detached, the tool can be directly connected with the thread grooves at the top of the piston through the oil sprayer mounting hole to lift the piston, so that the large end of the connecting rod is detached, and the influence on the tightness between the cylinder cover and a pipeline caused by the detachment of the whole cylinder cover is avoided;
2. According to the utility model, through arranging the empty groove and the protruding block, the supporting rod penetrates through the mounting hole of the oil sprayer and enables the second thread to be in threaded connection with the threaded groove, so that the connection operation of the tool main body and the piston is completed, and by using the protruding block, the pressure bearing limit of the threaded groove to the piston and the cylinder is improved, the safety protection of the threaded groove is improved, and the service life of the piston is prolonged in the working process of the piston.
Drawings
FIG. 1 is a schematic perspective view of a diesel engine body according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a diesel engine body according to the present utility model;
FIG. 3 is a schematic diagram of the structure of the present utility model;
Fig. 4 is a schematic view of a partial structure of the present utility model.
In the figure: 1. a diesel engine main body; 2. a cylinder; 3. a piston; 4. sealing grooves; 5. a seal ring; 6. a connecting rod; 7. a connecting rod big end; 8. a tool main body; 801. a hoisting ring; 802. a connecting rod; 803. a first thread; 804. a threaded collar; 805. a support rod; 806. a second thread; 807. a hollow groove; 808. a thread groove; 809. and a bump.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
1-4, Frock is dismantled to connecting rod big end, as shown in FIG. 1-4, including diesel engine main part 1 and frock main part 8, frock main part 8 includes hoisting ring 801, the bottom of hoisting ring 801 is provided with connecting rod 802, the surface below of connecting rod 802 is provided with first screw 803, the outside threaded connection of first screw 803 has screw thread lantern ring 804, the bottom of screw thread lantern ring 804 is provided with bracing piece 805, the surface below of bracing piece 805 is provided with second screw 806, cylinder 2 has been seted up to the inside of diesel engine main part 1, the inside of cylinder 2 is provided with piston 3, screw thread groove 808 has been seted up to the upper surface of piston 3, the bottom rotation of piston 3 is connected with connecting rod 6, the bottom of connecting rod 6 is connected with the bent axle through connecting rod big end 7 rotation, only need dismantle the sprayer assembly when needs split connecting rod big end 7, use this frock to dismantle the screw thread groove 808 at piston 3 top through the sprayer mounting hole, accomplish connecting rod big end 7 split work, avoid demolish whole cylinder head and influence the leakproofness between cylinder head and the pipeline.
Referring to fig. 1 and 2, a bump 809 is provided at the inner bottom of the thread groove 808, and the top surface of the bump 809 is in a circular arc structure, so that the pressure bearing limit of the thread groove 808 to the piston 3 and the cylinder 2 is improved in the working process of the piston, the safety protection of the thread groove 808 is improved, and the service life of the piston 3 is prolonged.
Referring to fig. 3 and 4, an empty groove 807 is formed in the bottom surface of the support rod 805, the empty groove 807 is matched with the protrusion 809, the second thread 806 is in threaded connection with the thread groove 808, when the second thread 806 is in threaded connection with the thread groove 808, the empty groove 807 is favorably matched with the protrusion 809, the connection tightness of the second thread 806 and the protrusion 809 is improved, and the practicality of the use structure of the tool main body 8 is improved.
Referring to fig. 2 and 3, the outside of the cross section of the threaded collar 804 is in a hexagonal structure, the threaded collar 804 is welded with the supporting rod 805, the lifting ring 801 is welded with the connecting rod 802, the supporting rod 805 is rotated by rotating the threaded collar 804, connection of the supporting rod 805 and the piston 3 is completed, rotation of the lifting ring 801 at the top end of the tool main body 8 is avoided, meanwhile, the situation that the tool main body 8 is longer in size and inconvenient to operate is avoided, and convenience in use of the tool main body 8 is further improved.
Referring to fig. 1, 2 and 3, the lifting ring 801, the connecting rod 802 and the supporting rod 805 are all made of stainless steel, so that the material wear resistance of the tool main body 8 is improved, the service life of the tool main body 8 is prolonged, rust is prevented from being produced, the condition that sundries fall into the cylinder 2 is avoided, and the safety protection of the diesel engine main body 1 is improved.
Referring to fig. 2 and 3, the large end 7 of the connecting rod comprises an upper tile shaft and a lower tile shaft, the upper tile shaft and the lower tile shaft are fixedly connected through bolts, the piston 3 is driven to move with the large end 7 of the connecting rod through lifting fluctuation of lifting equipment, the large end 7 of the connecting rod can be placed at a required position, the upper tile shaft and the lower tile shaft are split through bolts, convenience in disassembling the large end 7 of the connecting rod by the tool main body 8 is facilitated, and practicability of the tool main body 8 is improved.
Referring to fig. 1 and 2, the sealing groove 4 is formed in the outer surface of the piston 3, the sealing ring 5 is clamped in the sealing groove 4, the sealing ring 5 abuts against the inner wall of the cylinder 2, disassembly of the sealing ring 5 is avoided, the sealing ring 5 is not required to be replaced completely, accordingly maintenance efficiency of the diesel engine main body 1 is improved, and damage to parts in the process of disassembly is prevented.
The implementation principle of the embodiment is as follows: firstly, dismantling the oil sprayer assembly, enabling a supporting rod 805 to vertically face a threaded groove 808 at the top of a piston 3 through the top end of a cylinder 2, enabling a second thread 806 to be in threaded connection with the threaded groove 808, connecting and fixing the supporting rod with a lifting ring 801 by using external lifting equipment, enabling the piston 3 to drive a connecting rod 6 and a connecting rod large end 7 to move in position through lifting fluctuation of the lifting equipment, enabling the connecting rod large end 7 to be placed at a required position, enabling an upper tile shaft to be detached from a lower tile shaft through bolts, and then lifting a tool main body 8 through a lifting mechanism to enable the piston 3 and the connecting rod large end 7 to finish detaching operation;
When being connected second screw 806 and thread groove 808, accessible rotatory screw thread lantern ring 804 is rotatory bracing piece 805, accomplishes the connection of bracing piece 805 and piston 3, is favorable to avoiding frock main part 8 top hoist and mount ring 801 to rotate, simultaneously, can avoid frock main part 8 size longer, inconvenient operating's condition is favorable to further improving the use convenience of frock main part 8.
The parts not involved in the present utility model are the same as or can be implemented by the prior art, and are not described in detail herein.
Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.
Claims (7)
1. The utility model provides a frock is dismantled to connecting rod large end, includes diesel engine main part (1) and frock main part (8), its characterized in that: frock main part (8) are including hoist and mount ring (801), the bottom of hoist and mount ring (801) is provided with connecting rod (802), the surface below of connecting rod (802) is provided with first screw thread (803), the outside threaded connection of first screw thread (803) has screw thread lantern ring (804), the bottom of screw thread lantern ring (804) is provided with bracing piece (805), the surface below of bracing piece (805) is provided with second screw thread (806), cylinder (2) have been seted up to the inside of diesel engine main part (1), the inside of cylinder (2) is provided with piston (3), screw thread groove (808) have been seted up to the upper surface of piston (3), the bottom rotation of piston (3) is connected with connecting rod (6), the bottom of connecting rod (6) is connected with the bent axle through connecting rod big end (7) rotation.
2. The connecting rod large end disassembly tool according to claim 1, wherein: the inner bottom of the thread groove (808) is provided with a lug (809), and the top surface of the lug (809) is in a circular arc structure.
3. The connecting rod large end disassembly tool according to claim 1, wherein: the bottom surface of bracing piece (805) has seted up empty slot (807), empty slot (807) and lug (809) looks adaptation, second screw thread (806) and thread groove (808) threaded connection.
4. The connecting rod large end disassembly tool according to claim 1, wherein: the outside of the cross section of the threaded lantern ring (804) is in a hexagonal structure, the threaded lantern ring (804) is fixedly welded with the supporting rod (805), and the lifting ring (801) is fixedly welded with the connecting rod (802).
5. The connecting rod large end disassembly tool according to claim 1, wherein: the lifting ring (801), the connecting rod (802) and the supporting rod (805) are all made of stainless steel.
6. The connecting rod large end disassembly tool according to claim 1, wherein: the connecting rod big end (7) comprises an upper tile shaft and a lower tile shaft which are fixedly connected through bolts.
7. The connecting rod large end disassembly tool according to claim 1, wherein: the outer surface of piston (3) has seted up seal groove (4), the inside block of seal groove (4) is provided with sealing ring (5), sealing ring (5) offsets with the inner wall of cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322855218.2U CN221047749U (en) | 2023-10-24 | 2023-10-24 | Frock is dismantled to connecting rod big end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322855218.2U CN221047749U (en) | 2023-10-24 | 2023-10-24 | Frock is dismantled to connecting rod big end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221047749U true CN221047749U (en) | 2024-05-31 |
Family
ID=91222270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322855218.2U Active CN221047749U (en) | 2023-10-24 | 2023-10-24 | Frock is dismantled to connecting rod big end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221047749U (en) |
-
2023
- 2023-10-24 CN CN202322855218.2U patent/CN221047749U/en active Active
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